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KMID : 0361420050290060662
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Journal of Korean Academy of Rehabilitation Medicine
2005 Volume.29 No. 6 p.662 ~ p.668
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Effect of Cervical Orthosis upon Swallowing
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Han Na-Mi
Kim Dong-gun
Kim Hyun-Dong
An Hyun-mee
Lee Nam-ju
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Abstract
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Objective: To investigate the effect of cervical orthosis upon swallowing and the differences of bracing effect between normal people and spinal cord injured patients.
Methods: 12 normal adults and 32 cervical cord injured patients who were wearing one of the three common cervical orthoses (soft neck collar, Philadelphia brace, and Minerva brace) were recruited. Swallowing function was evaluated by videofluoroscopic swallowing study (VFSS) without cervical bracing for the baseline data and with cervical bracing to compare with baseline data. The parameters observed were oropharyngeal diameter, initiation point of swallowing, hyoid bone movement, laryngeal penetration, aspiration,and residual volume after swallowing.
Results: Cervical orthoses decreased oropharyngeal diameter, reduced hyoid bone movement, increased residual volume, and changed initiation point of swallowing. Minerva brace revealed to give more influence than other braces. Normal adult group and patient group showed no difference in cervical bracing effect.
Conclusion: Attention should be paid to swallowing function when cervical bracing is needed because cervical bracing itself can increase the risk of aspiration.
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KEYWORD
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Swallowing, Cervical Orthosis, Videofluoroscopic swallowing study
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